Next related PR up
https://github.com/xbmc/xbmc/pull/13352
This makes what art Kodi presents to both GUI and JSON getters consistent as discussed above.
In summary:
For songs you get all song art and related album (album.*), song artists (artist.*, artist1.*...) and album artists (albumartist.*, albumartist1.*...) artwork
For albums you get all album and artists (artist.*, artist1.*...) artwork.
ListItem.Art() will work consistently on both library navigation window and music info dialogs.
JSON API returns art likewise.
I'll get a test build up, I would appreciate test feedback.
I would also like help summing up (and publicising) the changes for other skinners.
Come on skinners let the glorious art for music run free
[Next related work for me is changing the art button on the music info dialogs, but those dialogs need a deeper redesign to get the db queries off the main thread I will probably comnbine the rework]